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amylose/dental caries
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Complexation process of amylose under different concentrations of linoleic acid using molecular dynamics simulation.
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Owing to its importance in food and pharmaceutical applications, complexation of amylose with amphiphilic molecules has been experimentally and theoretically investigated. Most theoretical studies have involved only a single amphiphilic molecule as the guest. In the present work, Molecular Dynamics
Impact of amylose content on structural changes and oil absorption of fried maize starches.
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The absorption of oil during frying has important implications for food quality, cost, and nutrition. Maize starches with low (WMS), intermediate (NMS), and high amylose (HAMS) contents were therefore heated in oil to mimic the frying process, and the impact of amylose content on the hierarchical
Solid-state NMR characterization of amylose tris(3,5-dimethylphenylcarbamate) chiral stationary-phase structure as a function of mobile-phase composition.
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Solid-state NMR (1H/13C CPMAS) was utilized to identify structural differences in amylose tris(3,5-dimethylphenylcarbamate) chiral stationary phase (Chiralpak AD), as a function of mobile-phase composition. Dry Chiralpak AD stationary phase displayed an amorphous CPMAS NMR spectrum. However, CPMAS
Effects of alcohol mobile-phase modifiers on the structure and chiral selectivity of amylose tris(3,5-dimethylphenylcarbamate) chiral stationary phase.
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Following a previous publication, the present paper reports additional results on the effects of alcohol mobile-phase modifiers on the structure and chiral selectivity of amylose tris(3,5-dimethylphenylcarbamate) (Chiralpak AD) chiral stationary phase (CSP). Solid-state NMR (1H/13C CPMAS) was
Colorimetric sensing method for polyamines utilising an inclusion complex of stimuli-responsive amylose
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Incorporation of carboxyl groups into amylose led to a unique stimuli-responsive supramolecular system that shows distinct colour change in response to biologically important polyamines. When spermine was added to an aqueous solution containing iodine and amylose modified with carboxyl groups, the
Experimental and computational studies of enantioseparation of structurally similar chiral compounds on amylose tris(3,5-dimethylphenylcarbamate).
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The enantioseparation of 14 structurally similar chiral solutes, with one or two chiral centers, are studied for a commercially important polysaccharide-based chiral stationary phase, amylose tris(3,5-dimethylphenylcarbamate) (ADMPC). Among these solutes, only two solutes show significant
Preparation of amylose-poly(methyl methacrylate) inclusion complex as a smart nanocarrier with switchable surface hydrophilicity
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Amylose, as a linear biopolymer, tends to form helical inclusion complexes with suitable guest species. This is of great importance for a variety of applications, especially in the pharmaceutical and food industry. In this study, we propose an approach for the preparation of a novel inclusion
Effects of backbone and side chain on the molecular environments of chiral cavities in polysaccharide-based biopolymers.
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The effects of the backbone and side chain on the molecular environments in the chiral cavities of three commercially important polysaccharide-based chiral sorbents--cellulose tris(3,5-dimethylphenylcarbamate) (CDMPC), amylose tris(3,5-dimethylphenylcarbamate) (ADMPC), and amylose
Coupling lipophilization and amylose complexation to encapsulate chlorogenic acid.
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Chlorogenic acid (5-caffeoylquinic acid) is a hydrophilic phenolic compound with antioxidant properties. Because of its high polarity, these properties may be altered when formulated in oil-based food. There is therefore an interest in trying to protect the natural antioxidant by molecular
Two unique ligand-binding clamps of Rhizopus oryzae starch binding domain for helical structure disruption of amylose.
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The N-terminal starch binding domain of Rhizopus oryzae glucoamylase (RoSBD) has a high binding affinity for raw starch. RoSBD has two ligand-binding sites, each containing a ligand-binding clamp: a polyN clamp residing near binding site I is unique in that it is expressed in only three members of
V-Amylose at atomic resolution: X-ray structure of a cycloamylose with 26 glucose residues (cyclomaltohexaicosaose).
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The amylose fraction of starch occurs in double-helical A- and B-amyloses and the single-helical V-amylose. The latter contains a channel-like central cavity that is able to include molecules, "iodine's blue" being the best-known representative. Molecular models of these amylose forms have been
Molecular encapsulation of ascorbyl palmitate in preformed V-type starch and amylose.
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In the present study, we introduce a simple method to prepare inclusion complexes by "inserting" guest molecules into preformed "empty" V-type amylose helices. Ascorbyl palmitate (AscP) was used as a model guest material to investigate the effect of solvent environment, complexation temperature,
Recent patents on amylose-flavor inclusion complex nano particles preparation and their application.
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Lipophilic and hydrophilic compounds that are solubilized in the form of nano-sized particles, or "nanoparticles", can be used in pharmacology, in the production of food additives, cosmetics, and agriculture, as well as in pet foods and veterinary products, amongst other uses. This review focuses on
Direct probing of sorbent-solvent interactions for amylose tris(3,5-dimethylphenylcarbamate) using infrared spectroscopy, X-ray diffraction, solid-state NMR, and DFT modeling.
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The sorbent-solvent interactions for amylose tris(3, 5-dimethylphenylcarbamate) (ADMPC) with five commonly used solvents, hexane, methanol, ethanol, 2-propanol (IPA), and acetonitrile (ACN), are studied using attenuated total reflection infrared spectroscopy (ATR-IR) of thin sorbent films, X-ray
Studies on the effect of alcohols on the chiral discrimination mechanisms of amylose stationary phase on the enantioseparation of nebivolol by HPLC.
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The chiral recognition mechanism of amylose CSPs has been described by achieving the enantiomeric resolution of (+/-)-nebivolol on Chiralpak AD and Chiralpak AD-RH columns with methanol, ethanol, 1-propanol, 2-propanol, 1-butanol as mobile phases at different flow rates. The energies of interactions
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